netdev - [PATCH net-next] net: minor __alloc

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Message-ID: <20260113131017.2310584-1-edumazet@google.com>
Date: Tue, 13 Jan 2026 13:10:17 +0000
From: Eric Dumazet <edumazet@...gle.com>
To: "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, 
	Paolo Abeni <pabeni@...hat.com>
Cc: Simon Horman <horms@...nel.org>, netdev@...r.kernel.org, eric.dumazet@...il.com, 
	Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH net-next] net: minor __alloc_skb() optimization

We can directly call __finalize_skb_around()
instead of __build_skb_around() because @size is not zero.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 net/core/skbuff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 4887099e8678352a62d805e1b0be2736dc985376..77508cf7c41e829a11a988d8de3d2673ff1ff121 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -714,7 +714,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
 	prefetchw(data + SKB_WITH_OVERHEAD(size));
 
 	skbuff_clear(skb);
-	__build_skb_around(skb, data, size);
+	__finalize_skb_around(skb, data, size);
 	skb->pfmemalloc = pfmemalloc;
 
 	if (flags & SKB_ALLOC_FCLONE) {
-- 
2.52.0.457.g6b5491de43-goog